$gray: #bfbfbf;

.integral-page {
    & {
        height: 100%;
        font-size: .4rem;
    }
    p {
        margin: .5em 1em;
    }
    span {
        color: black;
    }
    .integral {
        & {
            height: 11ch;
            background: white;
            width: 100%;
            display: flex;
            border-top: 1px solid $gray;
            border-bottom: 1px solid $gray;
            background: white;
        }
        .left, .right {
            width: 50%;
            text-align: center;
        }
        .left h1 {
            border-right: 1px solid $gray;
        }
        h1 {
            margin-top: 0;
        }
        p {
            margin-bottom: .5em;
        }
    }
}